PLEASE ANSWER: Which two ratios represent quantities that are proportional? A. 3/4 and 5/12
B. 32/20 and 22/10
C. 45/18 and 35/14
D. 7/5 and 14/9

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose

After reading 80% of her e-mails in her inbox, danette still has m unread e-mails. which of the following expressions could represent the number of e-mails danette had in her inbox before she started reading? choose 2 answers: (choice a) 5m (choice b) 1.8m (choice c) 80m (choice d) m/0.8 (choice e) m/1−0.8